n = int(input())
a = list(map(int, input().split()))
a.sort()

if n == 0:
    print("Second")
    exit()

groups = []
current = [a[0]]
for num in a[1:]:
    if num - current[-1] <= 1:
        current.append(num)
    else:
        groups.append(len(current))
        current = [num]
groups.append(len(current))

xor_sum = 0
for length in groups:
    if length == 1 or length == 2:
        xor_sum ^= 1
    else:
        xor_sum ^= (length - 2) % 2

print("First" if xor_sum != 0 else "Second")